Pakistan, July 7 -- Obsession has become one of the biggest surprise hits of this year. The low budget horror movie has now made more than $400 million all over the world, proving that a small film can still become a huge success.

The movie has collected $403 million at the global box office so far. That includes $245.3 million from North America and $157.7 million from other countries.

It was reportedly made for just $750,000, making its success even more impressive. The film, however, was written and directed by YouTube filmmaker Curry Barker.

It stars Inde Navarrette, Michael Johnston, Cooper Tomlinson, Megan Lawless and Andy Richter.

The story is about Bear, which is played by Johnston, whose wish for Nikki, played by Navarrette, ...